INTEGRATED GPS AND IGS SYSTEM AND METHOD - Patent 1381877

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EP 1 381 877 A2

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(88)	Date of publication A3:
	27.02.2003

(43)	Date of publication:
	21.01.2004 Bulletin 2004/04

(21)	Application number: 02744120.3

(22)	Date of filing: 24.04.2002

(51)	International Patent Classification (IPC)⁷: G01S 5/14, G01C 21/16

(86)	International application number:
	PCT/US2002/012783

(87)	International publication number:
	WO 2002/086533 (31.10.2002 Gazette 2002/44)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

25.04.2001 US 286691 P
28.09.2001 US 967411

(71)	Applicant: Fibersense Technology Corporation
	Canton, MA 02021-1401 (US)

(72)	Inventors:
	HUMPHREY, Ian Foxboro, MA 02035 (US) PERLMUTTER, Michael, S. Sherborn, MA 01770 (US)

(74)	Representative: Sommerville, John Henry et al
	Sommerville & Rushton,45 Grosvenor Road St. Albans, Hertfordshire AL1 3AW St. Albans, Hertfordshire AL1 3AW (GB)

(54)	INTEGRATED GPS AND IGS SYSTEM AND METHOD